especially in a war-torn country, where roves packs of taliban fighters are always a threat. >> so, this would be the volley up here. >> reporter: welcome to the mountainous border region in northeastern afghanistan. this is snow leopard country. among those on boone's experienced team? tracker hussein ali and fellow trapper john goodrich. >> trapping is a game of odds. we're trying to predict the exact spot. >> reporter: to catch their big cat, they must set a series of snares. >> and now we camouflage the loop and the pit. >> reporter: then, there's the transmitter, which will alert the team when a cat is caught. once it is set, all there is to do is wait. >> there's a signal. beep, beep, beep. >> reporter: it's the middle of the night when the team gets the signal they've been waiting for, just six hours after setting the snare. can you see all right? >> yeah, yeah. >> you see this? >> yeah, yeah. >> okay, so, we want to go very, very slow. >> okay, okay. >> okay, we're not in a hurry. we want to be safe. we want to make sure it's okay. it's exciting. it's exciting -- >> yeah, yeah. >